Added PolarSSL support:

 - Crypto library
 - SSL library
 - PKCS#11 support

For missing features, please see README.polarssl

Signed-off-by: Adriaan de Jong <dejong@fox-it.com>
Acked-by: James Yonan <james@openvpn.net>
Acked-by: Gert Doering <gert@greenie.muc.de>
Signed-off-by: David Sommerseth <davids@redhat.com>

1 files changed, 121 insertions, 0 deletions

diff --git a/pkcs11_polarssl.c b/pkcs11_polarssl.c
new file mode 100644
index 0000000..49d6a6b
--- /dev/null
+++ b/pkcs11_polarssl.c
@@ -0,0 +1,121 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single TCP/UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *  Copyright (C) 2010 Fox Crypto B.V. <openvpn@fox-it.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/**
+ * @file PKCS #11 PolarSSL backend
+ */
+
+#include "syshead.h"
+
+#if defined(ENABLE_PKCS11)
+
+#include "errlevel.h"
+#include "pkcs11_backend.h"
+#include <polarssl/pkcs11.h>
+
+int
+pkcs11_init_tls_session(pkcs11h_certificate_t certificate,
+    struct tls_root_ctx * const ssl_ctx)
+{
+  int ret = 1;
+  pkcs11_context pkcs11_ctx;
+
+  ASSERT (NULL != ssl_ctx);
+
+  if (pkcs11_x509_cert_init(ssl_ctx->crt_chain, certificate)) {
+      msg (M_FATAL, "PKCS#11: Cannot retrieve PolarSSL certificate object");
+      goto cleanup;
+  }
+
+  ssl_ctx->priv_key_pkcs11 = malloc(sizeof(pkcs11_context));
+
+  if (ssl_ctx->priv_key_pkcs11 == NULL) {
+      msg (M_FATAL, "PKCS#11: Cannot allocate PolarSSL private key object");
+      goto cleanup;
+  }
+
+  if (pkcs11_priv_key_init(ssl_ctx->priv_key_pkcs11, certificate)) {
+      msg (M_FATAL, "PKCS#11: Cannot initialize PolarSSL private key object");
+      goto cleanup;
+  }
+
+  ret = 0;
+
+cleanup:
+  return ret;
+}
+
+int
+pkcs11_certificate_dn (pkcs11h_certificate_t cert, char *dn,
+    size_t dn_len)
+{
+  int ret = 1;
+
+  x509_cert polar_cert = {0};
+
+  if (pkcs11_x509_cert_init(&polar_cert, cert)) {
+      msg (M_FATAL, "PKCS#11: Cannot retrieve PolarSSL certificate object");
+      goto cleanup;
+  }
+
+  if (-1 == x509parse_dn_gets (dn, dn_len, &polar_cert.subject)) {
+      msg (M_FATAL, "PKCS#11: PolarSSL cannot parse subject");
+      goto cleanup;
+  }
+
+  ret = 0;
+
+cleanup:
+  x509_free(&polar_cert);
+
+  return ret;
+}
+
+int
+pkcs11_certificate_serial (pkcs11h_certificate_t cert, char *serial,
+    size_t serial_len)
+{
+  int ret = 1;
+
+  x509_cert polar_cert = {0};
+
+  if (pkcs11_x509_cert_init(&polar_cert, cert)) {
+      msg (M_FATAL, "PKCS#11: Cannot retrieve PolarSSL certificate object");
+      goto cleanup;
+  }
+
+  if (-1 == x509parse_serial_gets (serial, serial_len, &polar_cert.serial)) {
+      msg (M_FATAL, "PKCS#11: PolarSSL cannot parse serial");
+      goto cleanup;
+  }
+
+  ret = 0;
+
+cleanup:
+  x509_free(&polar_cert);
+
+  return ret;
+}
+#endif /* defined(ENABLE_PKCS11) */